Scientists for the first time have detected water in the atmosphere of an Earth-...
LONDON - Scientists for the first time have detected water in the atmosphere of an Earth-like planet orbiting a distant star, evidence that a key ingredient for life exists beyond our solar system, according to a study published on Wednesday.
More precisely, it marks the first time scientists have found water in the atmosphere around a super-Earth - as opposed to a gas giant - orbiting a star within its “habitable zone,” just the right distance for liquid water to potentially exist on the surface. While light from the sun takes several minutes to reach Earth, light from K2-18b’s star takes a century to reach our planet, “so for us to travel there is impossible,” he said.
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